Linda Griffith joins PBS's Hari Sreenivasan to discuss the "body on a chip" Linda Griffith joins PBS's Hari Sreenivasan to discuss the "body on a chip"Saturday, November 24, 2018Defense Department funds tech to test organ tissue in lieu of humans. https://www.pbs.org/newshour/show/defense-department-funds-tech-to-test-organ-ti…